That figure, Stoppleman wrote, doesn't even include visitors who used Yelp's mobile apps.

For the first time in Yelp history, over 100 million unique visitors came to the site in a one-month period. That's an all-time high for traffic to the desktop and mobile site and a clear indication that people are looking for local businesses and finding them on Yelp. While that number is huge, it doesn't even include the 9.4 million unique mobile devices that used the Yelp mobile app in January alone.

For more details, Yelp made up a nifty infographic. You can go here to check it out.